{% load url from future  %}
<!-- .nav, .navbar-search, .navbar-form, etc -->
{% if google_user %}
<span class="navbar-text">{{ google_user.email }}</span> |
<a href="{% url 'oauth2logout' %}">Logout</a> |
{% else %}
<a href="{% url 'login' %}">Login</a> |
{% endif %}
<a href="{% url 'help' %}">Help</a>
